81371565

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164387}}^1$

素因数の和:164409

約数の個数: 24

約数和(自身を含む): 153867168

約数和(自身を除く): 72495603

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 164387, 493161, 821935, 1479483, 1808257, 2465805, 5424771, 7397415, 9041285, 16274313, 27123855, 81371565]

約数ペア:

[(1, 81371565), (3, 27123855), (5, 16274313), (9, 9041285), (11, 7397415), (15, 5424771), (33, 2465805), (45, 1808257), (55, 1479483), (99, 821935), (165, 493161), (495, 164387)]